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+(************************************************************************)
+(* * The Coq Proof Assistant / The Coq Development Team *)
+(* v * INRIA, CNRS and contributors - Copyright 1999-2018 *)
+(* <O___,, * (see CREDITS file for the list of authors) *)
+(* \VV/ **************************************************************)
+(* // * This file is distributed under the terms of the *)
+(* * GNU Lesser General Public License Version 2.1 *)
+(* * (see LICENSE file for the text of the license) *)
+(************************************************************************)
+
+(************************************************************************)
+(* EqDecide *)
+(* A tactic for deciding propositional equality on inductive types *)
+(* by Eduardo Gimenez *)
+(************************************************************************)
+
+{
+
+open Eqdecide
+open Stdarg
+
+}
+
+DECLARE PLUGIN "ltac_plugin"
+
+TACTIC EXTEND decide_equality
+| [ "decide" "equality" ] -> { decideEqualityGoal }
+END
+
+TACTIC EXTEND compare
+| [ "compare" constr(c1) constr(c2) ] -> { compare c1 c2 }
+END